🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.9 AU

Year: 261 Days

Day: 21.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.28 AU - 2.3 AU

Year: 1266 Days

Day: 32 Hours

Environment

Temp: -82 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.69 AU - 4.48 AU

Year: 2474 Days

Day: 43.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 12.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.59 AU - 6.87 AU

Year: 5010 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 110,411,579 km

• M1: 159,322 km (0.113 R)
• M2: 588,668 km (0.106 R)
• M3: 1,411,456 km (0.087 R)
• M4: 1,812,677 km (0.103 R)
• M5: 2,291,391 km (0.08 R)
• M6: 3,488,174 km (0.097 R)
• M7: 4,000,097 km (0.113 R)
• M8: 5,148,261 km (0.056 R)
• M9: 6,247,955 km (0.092 R)
• M10: 6,769,453 km (0.028 R)
• M11: 14,035,272 km (0.034 R)
• M12: 17,661,973 km (0.109 R)
• M13: 18,311,079 km (0.108 R)
• M14: 19,725,676 km (0.105 R)
• M15: 21,067,419 km (0.062 R)
• M16: 21,797,457 km (0.045 R)
• M17: 25,952,388 km (0.076 R)
• M18: 29,058,190 km (0.114 R)
• M19: 29,963,107 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.4

Radius: 5.6

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.28 AU - 14.6 AU

Year: 17002 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 110,411,579 km

• M1: 69,713 km (0.117 R)
• M2: 416,780 km (0.102 R)
• M3: 888,911 km (0.061 R)
• M4: 1,130,960 km (0.06 R)
• M5: 1,853,518 km (0.032 R)
• M6: 2,615,120 km (0.04 R)
• M7: 5,254,775 km (0.088 R)
• M8: 7,782,680 km (0.095 R)
• M9: 9,175,885 km (0.074 R)
• M10: 10,669,320 km (0.075 R)
• M11: 14,769,648 km (0.111 R)
• M12: 27,720,785 km (0.11 R)
• M13: 31,040,212 km (0.111 R)
• M14: 39,422,779 km (0.116 R)
• M15: 43,011,333 km (0.054 R)
• M16: 62,339,826 km (0.106 R)
• M17: 64,832,875 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.1

Radius: 5.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 16.73 AU - 18.17 AU

Year: 26625 Days

Day: 23.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 110,411,579 km

• M1: 70,760 km (0.115 R)
• M2: 1,720,076 km (0.094 R)
• M3: 2,425,281 km (0.075 R)
• M4: 2,612,278 km (0.112 R)
• M5: 3,945,793 km (0.083 R)
• M6: 5,607,078 km (0.052 R)
• M7: 6,354,618 km (0.075 R)
• M8: 7,293,943 km (0.11 R)
• M9: 7,466,430 km (0.052 R)
• M10: 7,641,459 km (0.034 R)
• M11: 7,909,239 km (0.095 R)
• M12: 10,068,236 km (0.041 R)
• M13: 13,604,430 km (0.054 R)
• M14: 17,195,826 km (0.083 R)
• M15: 18,761,368 km (0.118 R)
• M16: 25,478,911 km (0.12 R)
• M17: 28,349,096 km (0.057 R)
• M18: 31,427,670 km (0.117 R)
• M19: 39,286,196 km (0.111 R)

Asteroid Belt

Center: 18.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.4

Radius: 3.7

Gravity: 71.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 16.54 AU - 20.62 AU

Year: 29252 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 110,411,579 km

• M1: 46,076 km (0.064 R)
• M2: 222,751 km (0.086 R)
• M3: 342,430 km (0.032 R)
• M4: 464,950 km (0.083 R)
• M5: 607,667 km (0.091 R)
• M6: 1,388,867 km (0.097 R)
• M7: 1,749,846 km (0.056 R)
• M8: 2,053,680 km (0.108 R)
• M9: 2,242,622 km (0.084 R)
• M10: 2,655,063 km (0.081 R)
• M11: 3,462,892 km (0.047 R)
• M12: 3,628,646 km (0.106 R)
• M13: 4,084,770 km (0.077 R)
• M14: 4,232,573 km (0.069 R)
• M15: 4,460,859 km (0.079 R)
• M16: 4,657,281 km (0.059 R)
• M17: 5,959,680 km (0.086 R)
• M18: 6,951,663 km (0.035 R)
• M19: 8,106,559 km (0.111 R)
• M20: 8,759,703 km (0.072 R)
• M21: 11,431,521 km (0.113 R)
• M22: 20,057,634 km (0.108 R)
• M23: 20,270,511 km (0.06 R)
• M24: 20,700,905 km (0.072 R)
• M25: 20,918,270 km (0.115 R)
• M26: 21,691,242 km (0.116 R)
• M27: 25,592,905 km (0.117 R)
• M28: 26,222,113 km (0.103 R)
• M29: 27,774,191 km (0.105 R)
• M30: 33,837,991 km (0.097 R)
• M31: 37,416,821 km (0.114 R)
• M32: 50,431,537 km (0.109 R)
• M33: 51,618,596 km (0.118 R)
• M34: 58,049,509 km (0.114 R)
• M35: 60,453,846 km (0.119 R)
• M36: 61,120,903 km (0.035 R)
• M37: 64,068,430 km (0.059 R)
• M38: 69,269,798 km (0.069 R)
• M39: 100,773,614 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 19,780 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit